The Amended Return Form 1040X has to be printed, signed, and mailed. It cannot be efiled. It can take the IRS up to 16 weeks to process an amended return.
Approximately three weeks after you mailed the amended return, you can start tracking it at this IRS website:
https://www.irs.gov/filing/individuals/amended-returns-form-1040-x/wheres-my-amended-return-1
